OT-2026-000005247
Publication integrity record
Bellows cup vacuum gripper, three zone face, pump fed, pressure verified, contact triggered, plastic cups
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000005247) never changes.
Identity and time
| Publication number | OT-2026-000005247 · never reused |
|---|---|
| Internal UUID | 01a0a932-b382-7c47-894b-50f75754845f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:51:07.397160Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005247 |
| Status | PUBLIC |
Content hashes
| Canonical text | ad4bd9698b16ce4169ff0d7255a0229a157a7f61311d23858624b8c7147d5939 |
|---|---|
| Markdown | 42ca1aba0bdf3d819aefeade4ef2ee896b0a9c556af4cdfb11da93dd53b50667 |
| Publication page | 42f8fab54425373c41e5cdc562b8c5d792a2164e234d6a3e3bbdeaf7656c40a1 |
| Manifest | 9806c34b59e9b6c8e28c5d30c2f02131e9c93ac9bc19c5c02d58ff5c1aa53eee |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | yAzQSloArMGquRSoAdKIixYtog4fOo1c4e80GvqdoGM79lSsSAkdivRoUOWNT3qImW+luG7dTNef/x8DrrzbBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:30.973436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005247observed 42f8fab54425373c41e5cdc562b8c5d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:30.958930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005247/manifest.jsonobserved 9806c34b59e9b6c8e28c5d30c2f02131...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:30.943887Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005247/publication.mdobserved 42ca1aba0bdf3d819aefeade4ef2ee89...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:30.929642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005247/publication.txtobserved ad4bd9698b16ce4169ff0d7255a0229a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|